Varios autores
Order FALCONIFORMES: Family CATHARTIDAE (NEW WORLD VULTURES), D.C. Houston. Family PANDIONIDAE (OSPREY), A.F. Poole. Family ACCIPITRIDAE (HAWKS AND EAGLES), J.M. Thiollay. Family SAGITTARIIDAE (SECRETARYBIRD), A.C. Kemp. Family FALCONIDAE (FALCONS AND CARACARAS), C.M. White, P.D. Olsen & L.F. Kiff. Order GALLIFORMES: Family MEGAPODIIDAE (MEGAPODES), A. Elliott. Family CRACIDAE (CHACHALACAS, GUANS AND CURASSOWS), J. del Hoyo. Family MELEAGRIDIDAE (TURKEYS), W.F. Porter. Family TETRAONIDAE (GROUSE), E. de Juana. Family ONONTOPHORIDAE (NEW WORLD QUAILS), J.P. Carroll. Family PHASIANIDAE (PHEASANTS AND PARTRIDGES), P.J.K. McGowan. Family NUMIDIDAE (GUINEAFOWL), I. Martínez.
New World Vultures to Guineafowl. Prólogo sobre la organización de la información en el Handbook. Más de 7000 referencias bibliográficas